发明名称 Face structure for a golf club head
摘要 A golf club head having a multiple material face is disclosed herein. The golf club head has a coefficient of restitution value greater than 0.83 and a characteristic time value of less than 257 milliseconds. The golf club head is preferably composed of a titanium alloy with a polymer layer disposed over a titanium alloy front wall. A preferred polymer is a polyurethane polymer.
申请公布号 US7878922(B2) 申请公布日期 2011.02.01
申请号 US20100686208 申请日期 2010.01.12
申请人 CALLAWAY GOLF COMPANY 发明人 EHLERS STEVEN M.;KOSMATKA JOHN B.;NIGRO ANTHONY V.;ERICKSON MATTHEW J.
分类号 A63B53/04 主分类号 A63B53/04
代理机构 代理人
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